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cub3d/lib/mlx/tools/compile_shader.sh
2025-11-14 15:10:19 +01:00

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#!/bin/bash
# -----------------------------------------------------------------------------
# Codam Coding College, Amsterdam @ 2022-2023 by W2Wizard.
# See README in the root project for more information.
# -----------------------------------------------------------------------------
# If no arguments have been given
if [ "$#" -ne 2 ]; then
echo "ERROR: missing arguments, use as follows: $0 <ShaderFile> <Mode>" 1>&2
exit 1
fi
# If file cannot be found
if [ ! -f "$1" ]; then
echo "ERROR: shader file not found: $1" 1>&2
exit 2
fi
SHADERTYPE="${1##*.}"
echo "// -----------------------------------------------------------------------------"
echo "// Codam Coding College, Amsterdam @ 2022-2023 by W2Wizard. "
echo "// See README in the root project for more information. "
echo "// -----------------------------------------------------------------------------"
echo ""
echo "// If you wish to modify this file edit the .vert or .frag file!"
echo ""
# Include the MLX42 header
echo "#include \"MLX42/MLX42_Int.h\""
echo ""
{
if [ "$2" -eq 1 ]; then # Output WASM specific lines
echo "const char* ${SHADERTYPE}_shader = \"#version 300 es\\n\""
echo " \"precision mediump float;\""
else # Non-Wasm, output the original shader version
echo "const char* ${SHADERTYPE}_shader = \"$(sed -n '1{p;q;}' "$1")\\n\""
fi
# Read the rest of the shader file
read
while IFS= read -r LINE; do
if [ ! "${LINE}" = "" ]; then
if [ "${LINE}" = "}" ]; then
echo " \"${LINE}\";"
else
echo " \"${LINE}\""
fi
fi
done
} < "$1"
exit 0